Hand crank



FIG. 1 is a perspective view of a hand crank, showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is side elevational view from the right side thereof; and,

FIG. 6 is a side elevational view from the left side thereof. 

The ornamental design for a hand crank, as shown and described. 